HIROSHIMA, JAPAN - AUGUST 5 : Visitors pray for the atomic bomb victims in front of the cenotaph ahead of the 71st anniversary of the atomic bombing on Hiroshima at Hiroshima Peace Memorial Park in Hiroshima, western Japan, Friday, August 5, 2016. Japan marked the 71st anniversary of the atomic bombing on Hiroshima. On August 6, 1945, during World War II, the United States dropped a uranium gun-type atomic bomb named “Little Boy” on the city of Hiroshima which instantly killed an estimated 80,000 people, tens of thousands more would later die of radiation exposure. Three days later, a second American B-29 bomber dropped a plutonium implosion-type bomb “Fat Man” on Nagasaki, killing an estimated 40,000 people. (Photo: Richard Atrero de Guzman/NURPhoto)